/*
 * TODO language 
 * Copyright (c) 2010 TODO Team
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef TODO_DRIVER_H
#define TODO_DRIVER_H
#include <string>
#include "parser.hpp"

// Tell Flex the lexer's prototype
#define YY_DECL                                \
yy::todo_parser::token_type                    \
yylex(yy::todo_parser::semantic_type* yylval,  \
	yy::todo_parser::location_type* yylloc,    \
	todo_driver& driver)
	
YY_DECL;

class todo_driver
{
public:
	std::string file;  // -f
	std::string input; // -r
	bool trace_scanning;
	bool trace_parsing;
	int result;

	todo_driver() : trace_scanning(false), trace_parsing(false) { }
	virtual ~todo_driver() { }
	
	// Handling the scanner.
	void scan_begin(void);
	void scan_end(void);

	// Run the parser.  Return 0 on success.
	int parse(const std::string&);

	// Error handling.
	void error(const yy::location&, const std::string&) const;
	void error(const std::string&) const;
};
#endif // TODO_DRIVER_H
